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DAVID A. RIETHMILLER CURRICULUM VITAE (Current as of January 2013) (online at http://www.phy.ohiou.edu/~rieth/CV.html) Current Position and Address: Graduate Assistant Email: [email protected] Web: www.phy.ohiou.edu/~rieth Office Phone: 740-593-1690 Department of Physics and Astronomy 251B Clippinger Laboratories Ohio University Athens, OH 45701 Education: Ph.D. Candidate – Ohio University (expected completion: June 2013) Advisor: Dr. Thomas Statler B.S. – Carnegie Mellon University, Physics / Astrophysics, May 2006 Advisor: Dr. Richard Griffiths Research: Ph.D. Thesis Topic – Ohio University (current): My current research explores the hydrodynamic history of elliptical galaxies, simulating various prescriptions for interstellar gas cooling and AGN energy feedback against real X-ray observations of ellipticals. The goal is to isolate those prescriptions which may be plausible, and rule out those that are not. Simulations are executed with the massively parallel Tree-SPH code Gadget2, which models fluid attributes of gas and dark matter as individual particles. Graduate Research – Ohio University (Fall 2007-Spring 2008): Studied the evolution of rotation rates of Near-Earth Asteroids (NEA). Used the 2.4-meter telescope at MDM Observatory to obtain a series of 30-second r-band exposures for selected NEAs. Because of asymmetries in the asteroidʼs shape, the amount of reflected sunlight changes as a function of time; thus, the resulting light curve gives the asteroidʼs rotation period. Research Experience for Undergraduates – Georgia Institute of Technology (Summer 2005): Refined light curve and radial velocity data from the eclipsing binary star system MM Herculis. Light curve data on this system was compiled for several colors in 1982, but better Fourier fitting software was available in 2005. More accurate light curve allowed better determination of the stellar masses involved. Undergraduate Research – Carnegie Mellon University (Spring 2005, Fall 2005): Catalogued ultra luminous X-ray data from the Chandra X-Ray Observatory and XMM-Newton Observatory. Used the X-SPEC software to to fit various stellar models to the X-ray data from two galaxies, identifying point sources which exceeded the Eddington luminosity. Additional Research Interests: Hydrodynamics and the hot interstellar medium of elliptical galaxies, AGN accretion and feedback mechanisms, sub-resolution accretion physics Courses Taught / Assisted: Introductory Physics Lab (1): Algebra-based mechanics of solids and liquids. 15 undergraduates per lab. Introductory Physics Lab (2): Algebra-based electricity, magnetism, heat, thermodynamics, waves, and sound. 15 undergraduates per lab. General Physics Lab (1): Classical physics with calculus and vectors. Newtonian mechanics, rotational dynamics, gravitation. 15 undergraduates per lab. General Physics Lab (3): Calculus-based capacitance, electric current and circuits, magnetism and magnetic fields, electric induction, A.C. circuits, electromagnetic waves, geometrical optics, interference, and diffraction of light. 15 undergraduates per lab. Introductory Astronomy: General introduction to astronomy, with emphasis on structure of the universe beyond the solar system. Graduate Courses Completed: Classical Mechanics Electrodynamics I & II Statistical Mechanics Quantum Mechanics I & II Math Methods of Physics I & II Stellar Astrophysics Astrophysics of the Interstellar Medium Extragalactic Astrophysics Observational Astrophysics Lab General Relativity Solid State Physics Numerical Methods in Computer Programming Programming Expertise: Parallel MPI implementation, interpolation techniques, finite time differencing, numerical integration methods, smoothed particle hydrodynamics, astronomical data reduction, Fourier analysis, acceptance-rejection algorithms, weighted Voronoi tesselations, Kepler orbit computation Languages: C/C++, Python, IDL, Fortran, IRAF, Shell script Posters: May 3, 2012 Heating and Cooling in Elliptical Galaxies (Ohio University Student Expo) http://www.phy.ohiou.edu/~rieth/talks/HydroSims.pdf Presentations: Jan. 9, 2013 Oct. 10, 2012 Sept. 11, 2012 June 1, 2012 Oct. 12, 2011 June 8, 2011 Jan. 26, 2011 Nov. 10, 2010 Apr. 14, 2010 Mar. 16, 2009 Nov. 8, 2007 Oct. 17, 2007 Sept. 26, 2007 (available at http://www.phy.ohiou.edu/~rieth/presentations.html) Simulations of Episodic AGN Feedback Conditions in Elliptical Galaxies (AAS Meeting) The Triggering Probability of Radio-Loud AGN (Ohio Unversity Astro Seminar) Finite Time Differencing: Numerical Algorithms (Computational Phyics Seminar) Heating and Cooling in Elliptical Galaxies (Thesis Committee Update) The 2011 Nobel Prize in Physics: Accelerating Universal Expansion (OU Astro Seminar) Is Molecular Gas Necessary for Star Formation? (OU Astro Seminar) Quasi-Stars and the Cosmic Evolution of Supermassive Black Holes (OU Astro Seminar) LSST: AGN and Supernovae (OU Astro Seminar) Cold Mode Accretion in Galaxy Formation (OU Astro Seminar) Feedback in Normal Elliptical Galaxies (Doctoral Thesis Prospectus) Analemma: The Apparent Local Trajectory of the Sun (Computational Phyics Seminar) X-Ray Measurements of the Mass of M87 (OU Astro Seminar) Modeling the YORP Effect Publications & Conference Proceedings: D. Riethmiller, T.S. Statler. AGN Feedback in Elliptical Galaxies I: Hydro Simulations within a Static Darm Matter Potential. In preparation. D. Riethmiller, T.S. Statler. AGN Feedback in Elliptical Galaxies II: Hydro Simulations within a Dynamic Dark Matter Potential. In preparation. D. Riethmiller, T.S. Statler. Simulations of Episodic AGN Feedback Conditions in Elliptical Galaxies. AAS Meeting held January 6-10, 2013 in Long Beach, California. Meeting #221, Session #303.07 T.S. Statler, D. Cotto-Figueroa, D. Riethmiller, K. Sweeney. Size Matters: The Rotation Rates of Small Near-Earth Asteroids. Icarus, submitted. T.S. Statler, D. Cotto-Figueroa, D. Riethmiller. The Rotation Rate Distribution of Small Near-Earth Objects. Asteroids, Comets, Meteors 2008 held July 14-18, 2008 in Baltimore, Maryland. LPI Contribution No. 1405, paper id. 8359.